Strong’s Greek
G210 — akon
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
ἄκων
akon — pronounced ak'-ohn} 或 hekon {hek-ohn'
from 1 (as a negative particle) and 1635; unwilling:--against the will. see GREEK for 1 see GREEK for 1635
1 occurrence in the KJV.
1 Corinthians 9:17
For if I do this thing willingly, I have a reward: but if against my will, a dispensation of the gospel is committed unto me.